Receptacle for fire-extinguishing powders.



PATENTED OCT. 16, 1906,

G. H. RAYMOND. REOEPTAG'LE FOR FIRE EXTINGUISHING POWDBRS.

APPLICATION FILED JAN. 25. 1905.

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CHARLES H. RAYMOND, OF HAVERHILL, MASSACHUSETTS, ASSIGNOR TO HAVERHILL FIRE APPLIANCE COMPANY, OF HAVERHILL, MASSA- CHUSETTS.

RECEPTACLE FQR FIRE-EXTI NGUI SH ING POWDERS.

Specification of Letters Patent.

Patented Oct. 16, 1906,

"Application filed January 25, 1905. Serial No. 242,605.

To all whom it may concern:

Be it known that I, CHARLES H. RAYMOND, a citizen of the United States, residing at Haverhill, in the county of Essex and State of Massachusetts, have invented a new and useful Receptacle for Fire-Extinguishing Powders, of which the following is a specification.

This invention relates to that class of fireextinguishing a pliances which employ dry powders as the u ic-extinguishing medium.

The special object of this invention is to provide an improved receptacle for fire-extinguishing powders.

To this end this invention consists of the receptacle and of the combinations of parts, as hereinafter described, and more particularly pointed out in the claims at the end of this specification.

In the accompanying drawings, Figure 1 is a perspective view of a fire-extinguishing apparatus constructed according to this invention. Fig. 2 is a perspective view, partly broken away and with the ring and cap removed; and Fig. 3 is a fragmentary sectional view.

In that class of fire-extinguishing apparatus to which this invention relates the powders employed contain high percentages of carbonates, the principal ingredients of such powders frequently being carbonate of so dium and carbonate of calcium. Powders of this kind when thrown upon a fire will gener ate carbonic-acid gas, serving to extinguish the fire in the quickest and most effective manner and with the least damage.

Cylinders containing extinguishing-powders of the class referred to are now a wellrecognized means of protecting property against fires. In the use of this kind of apparatus the cylinders are usually hung from hooks or nails, so that the pulling down of a tube will pull off the cover, so that the powder contained in the tube may be thrown onto the fire.

Tin or other sheet-metal receptacles arenearly useless on account of the baking of the material inside the tube, or by reason of the cover corroding so firmly that it cannot be pulled off, or by reason of the rusting through and permitting the escape of the powder. To overcome this, I have provided a fire-extinguishing tube or receptacle which consists of an outside metal cylinder having a pasteboard lining, which will protect and keep the extinguishing-powder dry.

In the construction illustrated in the drawings the pasteboard tube is held in place between the bottom of the can and the ring or annulus which is inserted in the mouth of the can. I also preferably employ a special form of cover having an inside cylinder which fits into the ring and forms a double seal for protecting the contents of the can.

Referring to the accompanying drawings and in detail, a fire-extinguishing apparatus is shown constructed according to this invention, consisting of a sheet-metal can or tube 10, having a bottom cap 11 at its lower end. Fitted into the tube 10 and held in place between the bottom 11 and an annular ring 13 is a pasteboard lining 12, preferably consisting of a cylindrically-wound tube which is waxed or greased, so as to more efficiently protect the powder.

As shown, the ring 13-is provided with a rib 14, which is clamped onto the upper end of the tube 10, and the mouth of the receptacle is closed by a cover consisting of a cap 15, having an inside guide or attachment 16, which fits the mouth of the ring 13 to form a double seal.

The bail or handle 18 is held in place by the staple 17, which is brazed in place, so that the cover will not fail to be pulled off when the extinguisher is pulled down from its hook.

I am aware that changes may be made in the construction of my fire-extinguishing appliance by those who are skilled in the art without departing from the scope of my invention as expressed in the claims. I do not wish, therefore, to be limited to details or to the proportions of parts which I have herein shown and described; but

What I do claim, and desire to secure by Letters Patent of the United States, is-

1. As an article of manufacture, a receptacle for fire-extinguishing powders comprising a long cylindricalmetal box having a closed bottom, a cap fitted over the outer edge of the box, apasteboard tube forming a lining for the box, and means for guiding the cover and also for holding the lining in place when the ca is pulled off.

2. is an article of manufacture, a receptacle for fire-extinguishing powders consisting of a metallic cylinder, at bottom cap on the lower end of the cylinder, a ring fitted into the upper end of the cylinder. and a paste.- board tube secured in place between the bottom and the ring and forming a lining for the receptacle.

3. As an article of manufacture, a receptacle for fire-extinguishing powders consisting of a metallic cylinder and bottom cap secured on the lower end thereto; aring fastened in the upper end of the cylinder, a pasteboard tube secured in place between the bottom and the ring and a cover consisting of a cap which fits outside the cylinder and has a centering-guide which fits within the ringto provide a double seal.

4. As an article of manufacture, a receptacle consisting of a cylinder, a ring fastened in one end of the cylinder, a lining-tube secured in place between the bottom and ring, and a cover consisting of a cap which fits outside the cylinder, said cap having a centeringguide fitting within the ring to provide a double seal.

In testimonywhereof I have hereunto set my hand in the presence of two subscribing witnesses.

CHAS. 1-1. RAYMOND.

Witnesses H. L. HOWARD, ROBERT B. BREUSTER. 

